Adjustable cup holder



FIG. 1 is a rear isometric view of an adjustable cup holder showing my new design;

FIG. 2 is a front isometric view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a left side elevation view thereof shown in an alternate configuration;

FIG. 10 is a rear elevation view thereof shown in an alternate configuration;

FIG. 11 is a left side elevation view of an alternate adjustable cup holder;

FIG. 12 is a rear elevation view of FIG. 11;

FIG. 13 is a left side elevation view of FIG. 11 shown in an alternate configuration; and,

FIG. 14 is a rear elevation view of FIG. 11 shown in an alternate configuration. 

The ornamental design for an adjustable cup holder, as shown and described. 